1 (5 lb) choice cut prime rib roast
1⁄2 cup kosher salt
1 tablespoon garlic powder or 6 garlic cloves, crushed
pepper, generous amount
additional seasoning, as preferred
Let roast come to room temperature, rub roast with seasonings.
Place roast, bone side down, in shallow roasting pan, but do not cover.
Add a small amount of water to pan.
Insert meat thermometer, not touching any bone.
Sear roast at 500°F for 15 minutes.
DO NOT OPEN THE OVEN DOOR!
Turn temperature down to 350°F.
Cook approximately 20 minutes per pound.
Allow roast to sit for 15 minutes after removing from the oven, then slice.
Source : Allrecipes